APA-Zitierstil (7. Ausg.)

Richards, J. (2014). The popes and the papacy in the early middle ages: 476-752 (1. published as paperback, Reprint der Ausgabe 1979.). Routledge Taylor & Francis Group.

Chicago-Zitierstil (17. Ausg.)

Richards, Jeffrey. The Popes and the Papacy in the Early Middle Ages: 476-752. 1. published as paperback, Reprint der Ausgabe 1979. Milton Park: Routledge Taylor & Francis Group, 2014.

MLA-Zitierstil (9. Ausg.)

Richards, Jeffrey. The Popes and the Papacy in the Early Middle Ages: 476-752. 1. published as paperback, Reprint der Ausgabe 1979. Routledge Taylor & Francis Group, 2014.